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Aptrootia khaoyaiensis (Trypetheliaceae), a new corticolous lichen from the dry dipterocarp forest in central Thailand

Published online by Cambridge University Press:  28 May 2024

Wetchasart Polyiam*
Affiliation:
School of Biology, Institute of Science, Suranaree University of Technology, Suranaree Sub-district, Muang District, Nakhon Ratchasima 30000, Thailand Lichen Research Unit, Department of Biology, Faculty of Science, Ramkhamhaeng University, Bangkok 10240, Thailand
Santi Watthana
Affiliation:
School of Biology, Institute of Science, Suranaree University of Technology, Suranaree Sub-district, Muang District, Nakhon Ratchasima 30000, Thailand
Nooduan Muangsan
Affiliation:
School of Biology, Institute of Science, Suranaree University of Technology, Suranaree Sub-district, Muang District, Nakhon Ratchasima 30000, Thailand
Sittiporn Parnmen
Affiliation:
Toxicology Center, National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi 11000, Thailand
Robert Lücking
Affiliation:
Botanischer Garten und Botanisches Museum Berlin, Freie Universität Berlin, 14195 Berlin, Germany
*
Corresponding author: Wetchasart Polyiam; Email: wetchasart@ru.ac.th

Abstract

Aptrootia khaoyaiensis Polyiam & Lücking is described as new to science from dry dipterocarp forest in central Thailand, based on morphological assessment and sequence data of the mitochondrial small subunit (mtSSU). The new species is characterized by a corticolous habit, a corticate thallus, ascomata typically immersed in the thallus, with a brown to blackish ostiolar region, an inspersed hamathecium, and dark brown, muriform ascospores occurring 1–2 per ascus. Phylogenetic analyses support placement of the new species in Aptrootia; it is morphologically close to A. elatior but differs in the smaller ascospores and the inspersed hamathecium.

Type
Standard Paper
Copyright
Copyright © The Author(s), 2024. Published by Cambridge University Press on behalf of The British Lichen Society

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